Mixer



FIG. 1 is a front perspective view of a mixer, showing our new design;

FIG. 2 is a front elevation view thereof.

FIG. 3 is a back elevation view thereof.

FIG. 4 is a left side elevation view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line in the figure drawings represents unclaimed environment only and forms no part of the claimed design. 

CLAIM We claim the ornamental design for a mixer, as shown and described. 